Geographical numbers (i.e. the number which an SMS is sent from) can be purchased by a telecoms company, e.g. an SMS gateway supplier, relatively easily.
It does not necessarily mean the message is sent from a company within Iran. Once the message is delivered to the Iranian telco, then thats a different matter. > On 16 Jan 2015, at 17:44, Amin Sabeti <aminsab...@gmail.com> wrote: > > Google has sent its codes via SMS with Iranian number since 6 months ago. > > On 16 January 2015 at 17:39, Collin Anderson <col...@averysmallbird.com> > wrote: > > On Fri, Jan 16, 2015 at 12:10 PM, elham gheytanchi <elhamu...@hotmail.com> > wrote: > I think it means the codes are generated by the state agencies. > > They are not, the international companies would contract with an SMS gateway > to send codes. That SMS gateway should be a more or less a dumb pipe that > transmits whatever it is sent by the provider. It so happens that now the > pipe is closer to the user but the source stays the same. The SMS gateway and > telecommunications companies can certainly surveil or modify the content (the > latter wouldn't be useful for 2FA), but it should not generate the codes. > > > -- > Collin David Anderson > averysmallbird.com | @cda | Washington, D.C. > > -- > Liberationtech is public & archives are searchable on Google. Violations of > list guidelines will get you moderated: > https://mailman.stanford.edu/mailman/listinfo/liberationtech. Unsubscribe, > change to digest, or change password by emailing moderator at > compa...@stanford.edu. > > -- > Liberationtech is public & archives are searchable on Google. Violations of > list guidelines will get you moderated: > https://mailman.stanford.edu/mailman/listinfo/liberationtech. Unsubscribe, > change to digest, or change password by emailing moderator at > compa...@stanford.edu. -- Liberationtech is public & archives are searchable on Google. Violations of list guidelines will get you moderated: https://mailman.stanford.edu/mailman/listinfo/liberationtech. Unsubscribe, change to digest, or change password by emailing moderator at compa...@stanford.edu.
